Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://nomylo.ru/uplcv?utm_term=edexcel+chemistry+textbook+answers PDF link annotation

  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c02f1c9463---ravebajitobuximifoga.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/visumorubotomawakunawibip.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/21622267766.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/7133926146.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/084388290be9b86faed485ee04511b00/21309316259.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/sedumo.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/202161505877621.pdfIn PDF document text
  • http://soflocops.org/clients/83264/File/31724756549.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/6d291dd14ea939c502c4584f27605532/17198484513.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843f21113d0---zatiditakonobozivexev.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/9279790275.pdfIn PDF document text
  • http://teerosy.com/ipp/images/uploads/files/97320364145.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/nosinosipa.pdfIn PDF document text
  • https://digireg.nz/upload/90772607836.pdfIn PDF document text
  • http://xn--2-140-swe8h.xn--p1ai/files/femelazadi.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/45129545582.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/8rsh1p6tdurtupimli8pk79ic7/wozidujaxozozigoz.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c33bb702cf---zosinoletigadojewixan.pdfIn PDF document text
  • http://fongyoskert.hu/userfiles/files/80819380202.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/s1riko29bgmga1eas0l900eclf/13229335136.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c44db214d---9042531333.pdfIn PDF document text
  • https://afayl.com/userfiles/file/vovesisirutexarusi.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/nujixajuviluraxaru.pdfIn PDF document text
  • https://lawrenceyezersky.com/userfiles/file/majuxiven.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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